What type of underwear do you find most comfortable to wear under scrubs?

Any brand is ok, but it must be cotton .

Anything that is cotton based is probably going to be the most comfortable for you and will allow your skin to "breathe" and those that don't have tags or heavy seams. Amazon essentials brands are pretty good and comfortable and don't ride down in your scrubs and the price is pretty good and quality too.

I like Hanes ‘boy shorts’ myself.